When British GQ recently asked Leto how he stays so young looking, he said, "I'm pretty healthy so I think that helps a lot. I've been that way for a long time--20 solid years of eating vegetarian/vegan and taking care of myself."

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The "Dallas Buyers Club" star also said he doesn't eat dairy because he thinks it's, quite simply, "disgusting."

Page has tweeted about a meatless lifestyle. "Why are vegans made fun of while the inhumane factory farming process regards animals and the natural world merely as commodities to be exploited for profit?" she posted.